CN105629780A - Gene sequencing instrument, control device and method of gene sequencing instrument - Google Patents
Gene sequencing instrument, control device and method of gene sequencing instrument Download PDFInfo
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Abstract
The invention discloses a gene sequencing instrument, a control device and method of the gene sequencing instrument. The device includes a first controller used for transmitting an initialization instruction, a random access memory used for storing sequencing flow control information, and a second controller which is connected with the first controller and the random access memory and is used for receiving the initialization instruction, performing initialization configuration on devices in the gene sequencing instrument according to the initialization instruction, reading the sequencing flow control information from the random access memory, and controlling the devices in the gene sequencing instrument to work according to the sequencing flow control information. With the control device of the gene sequencing instrument provided by the embodiment of the invention adopted, a gene sequencing process can be greatly shortened, and the flux of the gene sequencing instrument can be improved.
Description
Technical field
The present invention relates to gene engineering technology field, particularly relate to the control device of a kind of gene sequencer, method and gene sequencer.
Background technology
Along with the development of gene sequencing technology, gene sequencer has been made significant headway in the system integration and order-checking time etc. The order-checking instrument of the automatization centered by core controller that fluid path parametric controller, biochemical reaction platform, optical electron platform, biochip platform and electronic communication etc. are made up of by gene sequencer mechanical devices. Wherein, each platform can be controlled by core controller by communication interface, so that each platform can Collaboration realize the automatization of sequencing procedure.
At present, controller architecture in gene sequencer mainly includes PC (PersonalComputer, personal computer) controller and embedded controller, in sequencing procedure, order-checking Row control order is sent to embedded controller by RS232 or USB by PC controller, embedded controller resolves according to the control command of PC controller, then completes each component controls. It is simultaneously embedded in formula controller and gathers the micro-image of camera unit, and be sent to PC controller by USB and carry out storing and image procossing.
But, the operating process that whole gene sequencing relates to is extremely complex, such as requires all very high in the control of each side such as biochemical reagents dosage and type, reaction temperature, grade displacement, focus adjustment, laser trigger time and intensity of illumination, micro-camera time of exposure, image taking. Meanwhile, the time that whole sequencing procedure uses directly determines sequenator flux, and therefore there is strict requirement the time by order-checking flow process. And in the process of gene sequencing, there are some operations needing to repeat in a large number, in the many pictures gene picture gatherer process to biochip, it is necessary to read the gene of each point in biochip respectively, and gather the gene picture of each point respectively. This is accomplished by repeating, and chip platform moves, laser trigger time controls and intensity of illumination adjustment, the focus adjustment of camera unit and the operation such as time of exposure controls, camera is taken pictures. And embedded controller is when controlling corresponding device and performing these operations, control instruction will be received from PC controller, and resolve, then perform, which results in the delay of communication and each device can not quickly respond. Additionally, mutual excessively frequent between other devices between PC controller and embedded controller and in two controllers and gene sequencer, controller task unreasonable distribution at different levels. Above-mentioned situation can cause the overlong time of order-checking flow process, causes that the flux of gene sequencer is too low. Therefore, the current controller architecture in gene sequencer still haves much room for improvement.
Summary of the invention
It is contemplated that one of technical problem solved at least to a certain extent in correlation technique. For this, the purpose of first aspect present invention is in that to propose the control device of a kind of gene sequencer, it is possible to be greatly shortened the time of gene sequencing process, improves the flux of gene sequencer.
The purpose of a second aspect of the present invention is in that to propose a kind of gene sequencer.
The purpose of a third aspect of the present invention is in that to propose the control method of a kind of gene sequencer.
For reaching above-mentioned purpose, embodiment proposes the control device of a kind of gene sequencer according to a first aspect of the present invention, including: the first controller, described first controller is used for sending initialization directive; Random access memory, described random access memory is used for storing order-checking flow control information; Second controller, described second controller is respectively connected with described first controller and described random access memory, described second controller is used for receiving described initialization directive, and according to described initialization directive, each device in gene sequencer is carried out initial configuration, and read described order-checking flow control information from described random access memory, and control each device work in described gene sequencer according to described order-checking flow control information.
It addition, the control device of gene sequencer according to the above embodiment of the present invention, it is also possible to there is following additional technical characteristic:
In one embodiment of the invention, described second controller has first kind communication interface and Equations of The Second Kind communication interface; Described second controller receives described initialization directive by described first kind communication interface, and by described first kind communication interface, each device in described gene sequencer is carried out initial configuration; Described second controller is by the duty of each device in the described Equations of The Second Kind communication interface described gene sequencer of monitoring, and sends control instruction by described Equations of The Second Kind communication interface to each device in described gene sequencer.
Wherein, described first kind communication interface is serial line interface, and described Equations of The Second Kind communication interface is I/O interface.
In one embodiment of the invention, described second controller is additionally operable to the duty of the device in described gene sequencer is carried out status poll, when the condition responsive time exceedes Preset Time, judge corresponding device state mistake, and generate corresponding error logging information, and described error logging information is stored to described random access memory.
In one embodiment of the invention, described second controller is additionally operable to after described gene sequencer gene image acquisition terminates the transmission of described error logging information to be analyzed to described first controller.
In one embodiment of the invention, described first controller is connected with the camera unit in described gene sequencer, image acquisition for monitoring described camera unit completes event, and when monitoring described image acquisition and completing event, obtain the gene micro-image that described camera unit collects.
In one embodiment of the invention, described second controller is embedded controller.
The embodiment of a second aspect of the present invention provides a kind of gene sequencer, including the control device of the gene sequencer of first aspect present invention embodiment.
The embodiment of a third aspect of the present invention provides the control method of a kind of gene sequencer, including: second controller receives the initialization directive that the first controller sends, and according to described initialization directive, each device in gene sequencer is carried out initial configuration; Described second controller reads order-checking flow control information from random access memory; Described second controller controls each device work in described gene sequencer according to described order-checking flow control information.
It addition, the control method of gene sequencer according to the above embodiment of the present invention, it is also possible to there is following additional technical characteristic:
In one embodiment of the invention, described second controller has first kind communication interface and Equations of The Second Kind communication interface; Described second controller receives described initialization directive by described first kind communication interface, and by described first kind communication interface, each device in described gene sequencer is carried out initial configuration; Described second controller is by the duty of each device in the described Equations of The Second Kind communication interface described gene sequencer of monitoring, and sends control instruction by described Equations of The Second Kind communication interface to each device in described gene sequencer.
Wherein, described first kind communication interface is serial line interface, and described Equations of The Second Kind communication interface is I/O interface.
In one embodiment of the invention, described method also includes: the duty of the device in described gene sequencer is carried out status poll by described second controller, when the condition responsive time exceedes Preset Time, judge corresponding device state mistake, and generate corresponding error logging information, and described error logging information is stored to described random access memory.
In one embodiment of the invention, described method also includes: described error logging information is sent extremely described first controller after described gene sequencer gene image acquisition terminates and is analyzed by described second controller.
In one embodiment of the invention, described method also includes: the image acquisition of the camera unit in gene sequencer described in described first monitoring control devices completes event, and when monitoring described image acquisition and completing event, obtain the gene micro-image that described camera unit collects.
In one embodiment of the invention, described second controller is embedded controller.
In one embodiment of the invention, described random access memory is random random access memory ram.
The control device of the gene image acquisition of the embodiment of the present invention, method and gene sequencer, according to the initialization directive that the first controller received sends, each device in gene sequencer can be initialized by second controller, then from random access memory, read order-checking flow control information, control the work of each device, parallel controller framework is constituted not only through the first controller and second controller, and the control task of each controller is distributed according to response speed and hardware supported situation, task distribution is more reasonable, improve the efficiency of task scheduling. meanwhile, second controller have multiple can carry out enabling simultaneously, trigger, the high-speed communication interface of status monitoring and control, it is possible to enter to control to each device by con current control pattern, reduce status poll number of times, save call duration time. additionally, order-checking procedure information is stored in random access memory, it is to avoid frequently save call duration time alternately between controller. therefore, it is possible to be greatly shortened the time of gene sequencing process, improve the flux of gene sequencer.
Accompanying drawing explanation
Above-mentioned and/or the additional aspect of the present invention and advantage are from conjunction with will be apparent from easy to understand the accompanying drawings below description to embodiment, wherein:
Fig. 1 is the schematic diagram of the controller architecture in correlation technique in gene sequencer;
Fig. 2 is the structural representation controlling device of gene sequencer according to an embodiment of the invention;
Fig. 3 is the schematic diagram of the gene sequencer middle controller framework according to one specific embodiment of the present invention;
Fig. 4 is the flow chart of the control method of gene sequencer according to an embodiment of the invention;
Fig. 5 is the control device control flow chart to many pictures gene picture gatherer process of the gene sequencer according to one specific embodiment of the present invention.
Detailed description of the invention
Being described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of same or like function from start to finish. The embodiment described below with reference to accompanying drawing is illustrative of, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.
At present, the controller architecture in gene sequencer can cause that the flow time of gene sequencing is long, and the flux of gene sequencer is too low.
For example, Fig. 1 is the schematic diagram of the controller architecture in correlation technique in gene sequencer. As it is shown in figure 1, wherein, 1 ' is PC controller, 2 ' is RS232/USB communication interface, 3 ' is embedded controller, and 4 ' is laser element I/O interface, and 5 ' is camera unit USB interface, 6 ' is laser element, 7 ' is camera unit, and 8 ' is fluid path unit, and 9 ' is motion platform unit, 10 ' is fluid path unit R S232 interface, and 11 ' is motion platform unit R S232 interface.
The controller architecture of gene sequencer as shown in Figure 1 is in sequencing procedure, and PC controller 1 ' needs according to UI (UserInterface, the user interface) parameter arranged, order-checking flow process to be controlled. Embedded controller 2 ' requires over RS233 or USB interface and reads control instruction from PC controller 1 ', and corresponding unit is controlled after resolving, it is necessary to repeatedly communicates, causes that communication delay, unit are difficult to quick response. It addition, the communication between each device carries out data interaction, call duration time and status poll overlong time mainly by RS232 serial ports, particularly in finding the step repeated in a large number in sequencing procedure, this can cause whole order-checking overlong time undoubtedly.
Therefore, in order to reduce the time of gene sequencing process, improving the flux of gene sequencer, the present invention proposes the control device of a kind of gene sequencer gene sequencer, method and gene sequencer.
Below with reference to the accompanying drawings the control device of gene sequencer according to embodiments of the present invention, method and gene sequencer are described.
Fig. 2 is the structural representation controlling device of gene sequencer according to an embodiment of the invention.
As in figure 2 it is shown, the control device of this gene sequencer, including: the first controller 10, random access memory 20 and second controller 30.
Specifically, the first controller 10 is used for sending initialization directive.
In one embodiment of the invention, initialization directive includes initiation parameter, for each device in gene sequencer is carried out initial configuration. Initialization directive can be sent to second controller 30 by the first controller 10, carries out initial configuration with each device initialization directive carried out in gene sequencer by second controller 30.
In one embodiment of the invention, the first controller 10 can be PC controller.
Random access memory 20 is used for storing order-checking flow control information.
Wherein, order-checking procedure information can include each control parameter, control condition etc. in gene sequencing process, can be pre-set, and be stored in advance in random access memory 20. Specifically, for example, user can set order-checking flow control information by the UI interface of gene sequencer, and is stored in random access memory 20 by the order-checking flow control information set.
Should be appreciated that the type of random access memory is not limited by the present invention. For example, the type of random access memory can be RAM (the random random access memory of RandAccessMemory), SRAM (StaticRAM) or DRAM (DynamicRAM) etc.
Second controller 30 and the first controller 10 and random access memory 20 are respectively connected with, second controller 30 is used for receiving initialization directive, and according to initialization directive, each device in gene sequencer is carried out initial configuration, and read order-checking flow control information from random access memory 20, and control each device work in gene sequencer according to order-checking flow control information.
In one embodiment of the invention, second controller 30 has specialized voltages change-over circuit, it may be achieved to the voltage support of each device in gene sequencer, improve level of integrated system, simplify the structure of gene sequencer.
In an embodiment of the present invention, initialization directive, after receiving initialization directive, can be resolved by second controller 30, and according to the initiation parameter in analysis result, each device in gene sequencer is carried out initial configuration. For motion platform unit, initial configuration can include displacement error, speed is arranged, motor pattern is arranged, acceleration arranges isoparametric setting. After each device of gene sequencer is carried out initial configuration, second controller 30 can the duty of each device in monitoring gene sequenator, and read order-checking flow control information according to the duty detected from random access memory 20, and according to the control parameter in order-checking flow control information, each device in gene sequencer is controlled.
In an embodiment of the present invention, second controller 20 can pass through address bus, data/address bus and the enable controller for the digital independent function of opening random access memory 20 and is connected with random access memory 20. Thus, in the process of gene sequencing, second controller can read the order-checking procedure information prestored from random access memory 20, and the reading speed of random access memory 20 is faster, thus, relative in correlation technique, decrease the interaction times of second controller 30 and the first controller 10, and interacted by the random access memory 20 higher with reading efficiency, greatly reduce the time of gene sequencing process, especially the wherein time of many pictures gene picture gatherer process of biochip, thus improve the flux of gene sequencer.
In an embodiment of the present invention, the accuracy of precision and gene image information for ensureing gene sequencing process, each device in gene sequencer can be carried out state-detection by STATE FEEDBACK CONTROL mode and control with accurate by second controller 30. Specifically, in one embodiment of the invention, second controller 30 has first kind communication interface and Equations of The Second Kind communication interface. Wherein, first kind communication interface can be serial line interface, and Equations of The Second Kind communication interface can be I/O interface. Thus the state feedback information of first kind communication interface and the Equations of The Second Kind communication interface each device of reception can be passed through.
Second controller 30 can pass through first kind communication interface and receive initialization directive, and after initialization directive is resolved, by first kind communication interface, each device in gene sequencer carried out initial configuration according to analysis result. Specifically, when each device carries out initial configuration in gene sequencer, second controller 30 can pass through first kind communication interface and send status inquiry command respectively to each device, and the order that each device is returned judges, to have determined whether initial configuration.
Second controller 30 can pass through Equations of The Second Kind communication interface and be connected with each device in gene sequencer, particularly need repeatedly to repeat the devices such as the fluid path unit of operation, camera unit, motion platform unit and laser element in gene image acquisition process, can by the duty of each device in Equations of The Second Kind communication interface monitoring gene sequenator real-time, and control instruction can be sent by Equations of The Second Kind communication interface to each device in gene sequencer, it is achieved quick control. By Equations of The Second Kind communication interface to gene sequencer in each device be controlled time, second controller 30 can complete each parts TTL (transistor-transistor logic level) Pulse Width Control and TTL pulse condition monitoring by Equations of The Second Kind communication interface and peripheral drive circuit. Each device can be made quickly to respond by the TTL pulse signal degree of Microsecond grade response speed. In correlation technique is communicated by serial ports, the data volume of 10Bit at least needs tens or even Microsecond grade up to a hundred, status monitoring and control is carried out by the TTL pulse of Equations of The Second Kind communication interface, shorten the call duration time of every secondary control operation, especially for the operation repeated, after repeatedly repeating, the shortening of call duration time is then more notable, greatly reduces the time needed for gene sequencing process, thus improve the flux of gene sequencer.
In an embodiment of the present invention, due in gene sequencing, the gatherer process of many pictures gene picture needs many secondary control such as fluid path unit, camera unit, motion platform unit and laser elements, therefore, illustrate for fluid path unit, camera unit, motion platform unit and laser element below.
Specifically, second controller 30 can be attached by 4 Equations of The Second Kind communication interfaces and camera unit. Wherein, 1 Equations of The Second Kind communication interface is connected with the Enable Pin of camera unit, 1 Equations of The Second Kind communication interface is connected with the triggering end of taking pictures of camera unit, 1 Equations of The Second Kind communication interface is connected with the state end of camera unit, and 1 Equations of The Second Kind communication interface controls end with the time of exposure of camera unit and is connected.
Second controller 30 can be attached with two laser modules respectively by 4 Equations of The Second Kind communication interfaces. Wherein, 2 Equations of The Second Kind communication interfaces trigger end with the enable of 2 laser instrument respectively and are connected, 2 Equations of The Second Kind communication interface output PWM (PulseWidthModulation, pulse width modulation) ripple, and respectively 2 laser instrument are carried out output adjustment by low-pass filter circuit generation direct current signal, thus control the intensity of illumination of two laser instrument respectively.
Second controller 30 can be attached by 2 Equations of The Second Kind communication interfaces and motion platform unit. Wherein, 1 Equations of The Second Kind communication interface is for sending triggering pulse to trigger movement and the Z axis auto-focusing of XY motion platform; 1 Equations of The Second Kind communication interface is used for receiving XY motion platform and completes signal with Z axis auto-focusing, and controls to trigger pulse-break.
Second controller 30 can be connected with the electromagnetism sluice valve of fluid path unit by multiple Equations of The Second Kind communication interfaces, adopts Equations of The Second Kind communication interface and additional driving circuit for electromagnetic valve that the electromagnetic valve of fluid path unit is carried out fluid path gating control.
In one embodiment of the invention, second controller 30 is additionally operable to the duty of the device in gene sequencer is carried out status poll, when the condition responsive time exceedes Preset Time, judge corresponding device state mistake, and generate corresponding error logging information, and error logging information is stored to random access memory. Specifically, when second controller 30 each device in gene sequencer carries out STATE FEEDBACK CONTROL, status poll can be carried out by the timer in second controller, if the condition responsive time of a device exceedes the Preset Time set in timer, then show this device state mistake, second controller 30 can generate corresponding error logging information, stores to random access memory 30.
Second controller 30 is additionally operable to after gene sequencer gene image acquisition terminates the transmission of error logging information to be analyzed to the first controller 10. For example, the error logging information transmission in this image acquisition process after having gathered a width gene displaing micro picture of gene of each point, will can be analyzed by second controller 30 to the first controller 10. After error logging is analyzed by the first controller 10, next step instruction can be sent according to the operation of result or user to second controller 30, so that second controller 30 carries out subsequent control. Thus the user of gene sequencer can be pointed out, it is possible to effectively prevent from causing because mistake occurs the order-checking information obtaining mistake, and it is easy to user and adjusts gene sequencer in time.
In one embodiment of the invention, first controller 10 also can be connected with the camera unit in gene sequencer, image acquisition for monitoring camera unit completes event, and when monitoring image acquisition and completing event, obtains the gene micro-image that camera unit collects. Specifically, the first controller 10 can pass through USB interface and be connected with camera unit, and communicates. Read the mode of the gene micro-image that camera unit collects by USB interface relative to embedded controller in the control framework shown in Fig. 1, reduce the second controller 30 burden in image stores, and then the execution speed of second controller 30 can be improved.
In one embodiment of the invention, second controller 30 can be embedded controller.
The control device of the gene sequencer of the embodiment of the present invention, according to the initialization directive that the first controller received sends, each device in gene sequencer can be initialized by second controller, then from random access memory, read order-checking flow control information, control the work of each device, parallel controller framework is constituted not only through the first controller and second controller, and the control task of each controller is distributed according to response speed and hardware supported situation, task distribution is more reasonable, improves the efficiency of task scheduling. Meanwhile, second controller have multiple can carry out enabling simultaneously, trigger, the high-speed communication interface of status monitoring and control, it is possible to enter to control to each device by con current control pattern, reduce status poll number of times, save call duration time. Additionally, order-checking procedure information is stored in random access memory, it is to avoid frequently save call duration time alternately between controller. Therefore, the control device of the gene sequencer of the embodiment of the present invention can be greatly shortened the time of gene sequencing process, improves the flux of gene sequencer.
Specifically, Fig. 3 is the schematic diagram of the gene sequencer middle controller framework according to one specific embodiment of the present invention. As it is shown on figure 3, wherein, 1 is camera unit USB interface, 2 is camera unit, and 3 is camera unit I/O interface, and 4 is laser element, 5 is laser element I/O interface, 6 is platform unit, and 7 is platform unit communication interface (including RS232 interface and I/O interface), and 8 is fluid path unit, 9 is fluid path unit R S232 interface, 10 is RAM, and 11 is embedded controller, and 12 is PC controller.
Wherein, each parts are attached by embedded controller by IO and RS232, reduce gene sequencer communication and monitoring period in gene signal reads, gene sequencer many pictures operating process or operation logic are stored in external RAM, reduce embedded controller and PC controller interaction times, save call duration time, in addition, directly it is connected with gene sequencer parts by embedded controller I/O port hardware, utilizes I/O port TTL Microsecond grade response speed can reach the quick response of each unit. Thus, the controller architecture shown in Fig. 3 is adopted by each many pictures more than picture collection time decreased 300ms, gene sequencer flux can be effectively increased.
In order to realize above-described embodiment, the present invention also proposes a kind of gene sequencer.
The gene sequencer of the embodiment of the present invention, including the control device of the gene image acquisition of any embodiment of the present invention.
Gene sequencer according to embodiments of the present invention, according to the initialization directive that the first controller received sends, each device in gene sequencer can be initialized by second controller, then from random access memory, read order-checking flow control information, control the work of each device, parallel controller framework is constituted not only through the first controller and second controller, and the control task of each controller is distributed according to response speed and hardware supported situation, task distribution is more reasonable, improves the efficiency of task scheduling. Meanwhile, second controller have multiple can carry out enabling simultaneously, trigger, the high-speed communication interface of status monitoring and control, it is possible to enter to control to each device by con current control pattern, reduce status poll number of times, save call duration time. Additionally, order-checking procedure information is stored in random access memory, it is to avoid frequently save call duration time alternately between controller. Therefore, the gene sequencer of the embodiment of the present invention can be greatly shortened the time of gene sequencing process, improves the flux of gene sequencer.
In order to realize above-described embodiment, the present invention also proposes the control method of a kind of gene sequencer.
Fig. 4 is the flow chart of the control method of gene sequencer according to an embodiment of the invention.
As shown in Figure 4, the control method of this gene sequencer includes:
S401, second controller receives the initialization directive that the first controller sends, and according to initialization directive, each device in gene sequencer is carried out initial configuration.
In one embodiment of the invention, initialization directive includes initiation parameter, for each device in gene sequencer is carried out initial configuration. Initialization directive can be sent to second controller by the first controller, carries out initial configuration with each device initialization directive carried out in gene sequencer by second controller.
In one embodiment of the invention, second controller has specialized voltages change-over circuit, it may be achieved to the voltage support of each device in gene sequencer, improve level of integrated system, simplify the structure of gene sequencer.
In an embodiment of the present invention, initialization directive, after receiving initialization directive, can be resolved by second controller, and according to the initiation parameter in analysis result, each device in gene sequencer is carried out initial configuration. For motion platform unit, initial configuration can include displacement error, speed is arranged, motor pattern is arranged, acceleration arranges isoparametric setting.
In an embodiment of the present invention, the accuracy of precision and gene image information for ensureing gene sequencing process, each device in gene sequencer can be carried out state-detection by STATE FEEDBACK CONTROL mode and control with accurate by second controller. Specifically, second controller has first kind communication interface and Equations of The Second Kind communication interface. Wherein, first kind communication interface can be serial line interface, and Equations of The Second Kind communication interface can be I/O interface.
Second controller can pass through first kind communication interface and receive initialization directive, and after initialization directive is resolved, by first kind communication interface, each device in gene sequencer carried out initial configuration according to analysis result. Specifically, when each device carries out initial configuration in gene sequencer, second controller can pass through first kind communication interface and send status inquiry command respectively to each device, and the order that each device is returned judges, to have determined whether initial configuration.
In one embodiment of the invention, the first controller can be PC controller. Second controller can be embedded controller.
S402, second controller reads order-checking flow control information from random access memory.
In an embodiment of the present invention, second controller can pass through address bus, data/address bus and the enable controller for the digital independent function of opening random access memory and is connected with random access memory. Thus, in the process of gene sequencing, second controller can read the order-checking procedure information prestored from random access memory, and the reading speed of random access memory is faster, thus, relative in correlation technique, decrease second controller and the interaction times of the first controller, and interacted by the random access memory higher with reading efficiency, greatly reduce the time of gene sequencing process, especially the wherein time of many pictures gene picture gatherer process of biochip, thus improve the flux of gene sequencer.
Wherein, order-checking procedure information can include each control parameter, control condition etc. in gene sequencing process, can be pre-set, and be stored in advance in random access memory. Specifically, for example, user can set order-checking flow control information by the UI interface of gene sequencer, and is stored in random access memory by the order-checking flow control information set.
Should be appreciated that the type of random access memory is not limited by the present invention. For example, the type of random access memory can be RAM (the random random access memory of RandAccessMemory), SRAM (StaticRAM) or DRAM (DynamicRAM) etc.
S403, second controller controls each device work in gene sequencer according to order-checking flow control information.
After each device of gene sequencer is carried out initial configuration, second controller can the duty of each device in monitoring gene sequenator, and read order-checking flow control information according to the duty detected from random access memory, and according to the control parameter in order-checking flow control information, each device in gene sequencer is controlled.
Second controller can pass through Equations of The Second Kind communication interface and be connected with each device in gene sequencer, particularly need repeatedly to repeat the devices such as the fluid path unit of operation, camera unit, motion platform unit and laser element in gene image acquisition process, can by the duty of each device in Equations of The Second Kind communication interface monitoring gene sequenator real-time, and control instruction can be sent by Equations of The Second Kind communication interface to each device in gene sequencer, it is achieved quick control. By Equations of The Second Kind communication interface to gene sequencer in each device be controlled time, second controller can complete each parts TTL (transistor-transistor logic level) Pulse Width Control and TTL pulse condition monitoring by Equations of The Second Kind communication interface and peripheral drive circuit. Each device can be made quickly to respond by the TTL pulse signal degree of Microsecond grade response speed. In correlation technique is communicated by serial ports, the data volume of 10Bit at least needs tens or even Microsecond grade up to a hundred, status monitoring and control is carried out by the TTL pulse of Equations of The Second Kind communication interface, shorten the call duration time of every secondary control operation, especially for the operation repeated, after repeatedly repeating, the shortening of call duration time is then more notable, greatly reduces the time needed for gene sequencing process, thus improve the flux of gene sequencer.
In an embodiment of the present invention, due in gene sequencing, the gatherer process of many pictures gene picture needs many secondary control such as fluid path unit, camera unit, motion platform unit and laser elements, therefore, illustrate for fluid path unit, camera unit, motion platform unit and laser element below.
Specifically, second controller can be attached by 4 Equations of The Second Kind communication interfaces and camera unit. Wherein, 1 Equations of The Second Kind communication interface is connected with the Enable Pin of camera unit, 1 Equations of The Second Kind communication interface is connected with the triggering end of taking pictures of camera unit, 1 Equations of The Second Kind communication interface is connected with the state end of camera unit, and 1 Equations of The Second Kind communication interface controls end with the time of exposure of camera unit and is connected.
Second controller can be attached with two laser modules respectively by 4 Equations of The Second Kind communication interfaces. Wherein, 2 Equations of The Second Kind communication interfaces trigger end with the enable of 2 laser instrument respectively and are connected, 2 Equations of The Second Kind communication interface output PWM (PulseWidthModulation, pulse width modulation) ripple, and respectively 2 laser instrument are carried out output adjustment by low-pass filter circuit generation direct current signal, thus control the intensity of illumination of two laser instrument respectively.
Second controller can be attached by 2 Equations of The Second Kind communication interfaces and motion platform unit. Wherein, 1 Equations of The Second Kind communication interface is for sending triggering pulse to trigger movement and the Z axis auto-focusing of XY motion platform; 1 Equations of The Second Kind communication interface is used for receiving XY motion platform and completes signal with Z axis auto-focusing, and controls to trigger pulse-break.
Second controller can be connected with the electromagnetism sluice valve of fluid path unit by multiple Equations of The Second Kind communication interfaces, adopts Equations of The Second Kind communication interface and additional driving circuit for electromagnetic valve that the electromagnetic valve of fluid path unit is carried out fluid path gating control.
In an embodiment of the present invention, the accuracy of precision and gene image information for ensureing gene sequencing process, second controller adopts feedback controling mode that device each in gene sequencer carries out condition monitoring and accurate control, wherein, the state feedback information of first kind communication interface and the Equations of The Second Kind communication interface each device of reception can be passed through.
In one embodiment of the invention, the method may also include the second controller duty to the device in gene sequencer and carries out status poll, when the condition responsive time exceedes Preset Time, judge corresponding device state mistake, and generate corresponding error logging information, and error logging information is stored the step to random access memory. Specifically, when second controller each device in gene sequencer carries out STATE FEEDBACK CONTROL, status poll can be carried out by the timer in second controller, if the condition responsive time of a device exceedes the Preset Time set in timer, then show this device state mistake, second controller can generate corresponding error logging information, stores to random access memory.
Additionally, in one embodiment of the invention, may also include second controller and after gene sequencer gene image acquisition terminates, the transmission of error logging information is analyzed to the first controller. For example, the error logging information transmission in this image acquisition process after having gathered a width gene displaing micro picture of gene of each point, will can be analyzed by second controller to the first controller. After error logging is analyzed by the first controller, next step instruction can be sent according to the operation of result or user to second controller, so that second controller carries out subsequent control. Thus the user of gene sequencer can be pointed out, it is possible to effectively prevent from causing because mistake occurs the order-checking information obtaining mistake, and it is easy to user and adjusts gene sequencer in time.
In one embodiment of the invention, may also include the image acquisition of the first monitoring control devices camera unit and complete event, and when monitoring image acquisition and completing event, obtain the gene micro-image that camera unit collects. Specifically, the first controller can pass through USB interface and be connected with camera unit, and communicates. Read the mode of the gene micro-image that camera unit collects by USB interface relative to embedded controller in the control framework shown in Fig. 1, reduce second controller burden in image stores, and then the execution speed of second controller can be improved.
The control method of the gene sequencer of the embodiment of the present invention, according to the initialization directive that the first controller received sends, each device in gene sequencer can be initialized by second controller, then from random access memory, read order-checking flow control information, control the work of each device, parallel controller framework is constituted not only through the first controller and second controller, and the control task of each controller is distributed according to response speed and hardware supported situation, task distribution is more reasonable, improves the efficiency of task scheduling. Meanwhile, second controller have multiple can carry out enabling simultaneously, trigger, the high-speed communication interface of status monitoring and control, it is possible to enter to control to each device by con current control pattern, reduce status poll number of times, save call duration time. Additionally, order-checking procedure information is stored in random access memory, it is to avoid frequently save call duration time alternately between controller. Therefore, the control method of the gene sequencer of the embodiment of the present invention can be greatly shortened the time of gene sequencing process, improves the flux of gene sequencer.
Fig. 5 is the control device control flow chart to many pictures gene picture gatherer process of the gene sequencer according to one specific embodiment of the present invention.
As shown in Figure 5, in the control device control method to many pictures gene picture gatherer process of this gene sequencer, first, performing S1, namely PC controller sends many pictures picture collection (being called for short FOV in figure) initiation command, the formula that is then inserted into controls controller and receives this order, and determine whether FOV initiation command, if it is not, then continue to order, if it is, the FOV flow control information read in RAM.
After reading FOV flow control information, perform S2, i.e. TTL triggered motion platform unit, then XY platform moves to reference point, Z axis completes auto-focusing, then judging that platform unit has controlled whether, if it is, perform S3, (TTL triggers and opens laser instrument a, if not, then by I/O interface monitoring platform status, timer expiry counting starts, and judges whether time-out according to counting, if it is overtime, then error logging information being stored in RAM, if had not timed out, then continuing monitor supervision platform state.
After having performed S3, performing S4, namely concurrent TTL triggering camera c and camera d takes pictures, then judge whether camera c and camera d has taken pictures respectively, if completed, perform S5 (TTL triggers and closes laser instrument a), if be not fully complete, then by I/O interface monitoring camera status, timer expiry counting starts, time-out is judged whether, if it times out, error logging information is stored in RAM according to counting, if had not timed out, then continue monitoring camera state.
After performing S5, performing S6, namely TTL triggers and opens laser instrument b.
Then S7 is performed, namely concurrent TTL triggering camera c and camera d takes pictures again, then judges whether camera c and camera d has taken pictures respectively, if completed, performs S8 (TTL triggers and closes laser instrument b), if be not fully complete, then by I/O interface monitoring camera status, timer expiry counting starts, and judges whether time-out according to counting, if it is overtime, then error logging information being stored in RAM, if had not timed out, then continuing monitoring camera state.
After performing S8, perform S9, send to PC controller by the error logging information in RAM, to be analyzed.
Thus, after trigger laser each time, embedded controller can be that camera is taken pictures and 2 cameras taked con current control pattern in process in gene picture information gathering process, namely I/O interface enables simultaneously, I/O interface triggers simultaneously, I/O interface carries out camera status detection simultaneously, thus reducing parts status poll interaction times in many pictures gene picture collection, save many pictures picture collection time. Through verification experimental verification, adopt the controller architecture in the embodiment of the present invention, communication interface mode and control flow can by more than the time decreased 300ms of each many pictures gene picture gatherer process, thus gene sequencer flux can be greatly enhanced.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axially ", " radially ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not considered as limiting the invention.
Additionally, term " first ", " second " are only for descriptive purposes, and it is not intended that indicate or imply relative importance or the implicit quantity indicating indicated technical characteristic. Thus, define " first ", the feature of " second " can express or implicitly include at least one this feature. In describing the invention, " multiple " are meant that two or more, for instance two, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, for instance, it is possible to it is fixing connection, it is also possible to be removably connect, or integral; Can be mechanically connected, it is also possible to be electrical connection; Can be joined directly together, it is also possible to be indirectly connected to by intermediary, it is possible to be connection or the interaction relationship of two elements of two element internals, unless otherwise clear and definite restriction. For the ordinary skill in the art, it is possible to understand above-mentioned term concrete meaning in the present invention as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact. And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or be merely representative of fisrt feature level height higher than second feature. Fisrt feature second feature " under ", " lower section " and " below " can be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than second feature.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example describe are contained at least one embodiment or the example of the present invention. In this manual, the schematic representation of above-mentioned term is necessarily directed to identical embodiment or example. And, the specific features of description, structure, material or feature can combine in one or more embodiments in office or example in an appropriate manner. Additionally, when not conflicting, the feature of the different embodiments described in this specification or example and different embodiment or example can be carried out combining and combining by those skilled in the art.
Although above it has been shown and described that embodiments of the invention, it is understandable that, above-described embodiment is illustrative of, it is impossible to be interpreted as limitation of the present invention, and above-described embodiment can be changed, revises, replace and modification by those of ordinary skill in the art within the scope of the invention.
Claims (15)
1. the control device of a gene sequencer, it is characterised in that including:
First controller, described first controller is used for sending initialization directive;
Random access memory, described random access memory is used for storing order-checking flow control information;
Second controller, described second controller is respectively connected with described first controller and described random access memory, described second controller is used for receiving described initialization directive, and according to described initialization directive, each device in gene sequencer is carried out initial configuration, and read described order-checking flow control information from described random access memory, and control each device work in described gene sequencer according to described order-checking flow control information.
2. the control device of gene sequencer as claimed in claim 1, it is characterised in that
Described second controller has first kind communication interface and Equations of The Second Kind communication interface;
Described second controller receives described initialization directive by described first kind communication interface, and by described first kind communication interface, each device in described gene sequencer is carried out initial configuration;
Described second controller is by the duty of each device in the described Equations of The Second Kind communication interface described gene sequencer of monitoring, and sends control instruction by described Equations of The Second Kind communication interface to each device in described gene sequencer.
3. the control device of gene sequencer as claimed in claim 2, it is characterised in that
Described first kind communication interface is serial line interface, and described Equations of The Second Kind communication interface is I/O interface.
4. the control device of gene sequencer as claimed in claim 1, it is characterised in that
Described second controller is additionally operable to the duty of the device in described gene sequencer is carried out status poll, when the condition responsive time exceedes Preset Time, judge corresponding device state mistake, and generate corresponding error logging information, and described error logging information is stored to described random access memory.
5. the control device of gene sequencer as claimed in claim 4, it is characterised in that
Described second controller is additionally operable to after described gene sequencer gene image acquisition terminates the transmission of described error logging information to be analyzed to described first controller.
6. right wants the control device of the gene sequencer as described in any one of 1-5, it is characterised in that
Described first controller is connected with the camera unit in described gene sequencer, and the image acquisition for monitoring described camera unit completes event, and when monitoring described image acquisition and completing event, obtains the gene micro-image that described camera unit collects.
7. the control device of gene sequencer as claimed in claim 1, it is characterised in that described second controller is embedded controller.
8. a gene sequencer, it is characterised in that including:
The control device of the gene sequencer as described in any one of claim 1-7.
9. the control method of a gene sequencer, it is characterised in that including:
Second controller receives the initialization directive that the first controller sends, and according to described initialization directive, each device in gene sequencer is carried out initial configuration;
Described second controller reads order-checking flow control information from random access memory;
Described second controller controls each device work in described gene sequencer according to described order-checking flow control information.
10. the control method of gene sequencer as claimed in claim 9, it is characterised in that
Described second controller has first kind communication interface and Equations of The Second Kind communication interface;
Described second controller receives described initialization directive by described first kind communication interface, and by described first kind communication interface, each device in described gene sequencer is carried out initial configuration;
Described second controller is by the duty of each device in the described Equations of The Second Kind communication interface described gene sequencer of monitoring, and sends control instruction by described Equations of The Second Kind communication interface to each device in described gene sequencer.
11. the control method of gene sequencer as claimed in claim 10, it is characterised in that
Described first kind communication interface is serial line interface, and described Equations of The Second Kind communication interface is I/O interface.
12. the control method of gene sequencer as claimed in claim 9, also include:
The duty of the device in described gene sequencer is carried out status poll by described second controller, when the condition responsive time exceedes Preset Time, judge corresponding device state mistake, and generate corresponding error logging information, and described error logging information is stored to described random access memory.
13. the control method of gene sequencer as claimed in claim 12, also include:
Described error logging information is sent extremely described first controller after described gene sequencer gene image acquisition terminates and is analyzed by described second controller.
14. right wants the control method of the gene sequencer as described in any one of 9-13, it is characterised in that also include:
The image acquisition of the camera unit in gene sequencer described in described first monitoring control devices completes event, and when monitoring described image acquisition and completing event, obtains the gene micro-image that described camera unit collects.
15. the control method of gene sequencer as claimed in claim 9, it is characterised in that described second controller is embedded controller.
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| CN201410718385.5A CN105629780B (en) | 2014-12-01 | 2014-12-01 | Control device, method and the gene sequencer of gene sequencer |
| HK16108080.6A HK1220015A1 (en) | 2014-12-01 | 2016-07-11 | Gene sequencer control device, method and gene sequencer |
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| CN201410718385.5A CN105629780B (en) | 2014-12-01 | 2014-12-01 | Control device, method and the gene sequencer of gene sequencer |
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| Publication number | Publication date |
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| HK1220015A1 (en) | 2017-04-21 |
| CN105629780B (en) | 2018-06-01 |
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